Results 11 to 20 of about 707,343 (311)

Early-Stage Recovery of Lithium from Tailored Thermal Conditioned Black Mass Part I: Mobilizing Lithium via Supercritical CO2-Carbonation

open access: yesMetals, 2021
In the frame of global demand for electrical storage based on lithium-ion batteries (LIBs), their recycling with a focus on the circular economy is a critical topic.
Lilian Schwich   +2 more
doaj   +1 more source

High- and Ultra-High-Purity Aluminum, a Review on Technical Production Methodologies

open access: yesMetals, 2021
Aluminum and aluminum-based alloys have been used for many years. In view of the increase in material purity requirements of advanced technology products, research regarding high-purity aluminum has gained significant attention in recent years.
Danilo C. Curtolo   +3 more
doaj   +1 more source

Separation behavior of arsenic and lead from antimony during vacuum distillation and zone refining

open access: yesJournal of Materials Research and Technology, 2020
When classifying impurities in commercial pure antimony (Sb, 99.8%), arsenic (As) and lead (Pb) should be brought to the forefront consideration. Due to the known difficulty of As removal through zone refining, it is meaningful to investigate its ...
Xiaoxin Zhang   +2 more
doaj   +1 more source

State of the art of plastic sorting and recycling : Feedback to vehicle design [PDF]

open access: yes, 2007
Today car manufacturers are beginning to integrate recycling constraints in the first stages of the design of a new car due to their concern regarding the effects of car design on the recovery of material after End-of-Life Vehicle treatment.
ABRAHAM, F   +6 more
core   +4 more sources

Definition of a First Process Window for Purification of Aluminum via “Cooled Finger” Crystallization Technique

open access: yesMetals, 2017
Aluminum ultra-purification is commonly realized through a combination of three-layer electrolytic refining and fractional crystallization, mostly using zone melting.
Danilo C. Curtolo   +4 more
doaj   +1 more source

Recycling of waste engine oils using a new washing agent [PDF]

open access: yes, 2013
This paper addresses recycling of waste engine oils treated using acetic acid. A recycling process was developed which eventually led to comparable results with some of the conventional methods.
Hamawand, Ihsan   +2 more
core   +5 more sources

CATALYST PROCESSING AND RECYCLING

open access: yesActa Tecnología, 2021
Discussed auto catalysts contain interesting quantities of platinum noble metals, palladium and rhodium according to the type of auto catalyst, thereby becoming a possible source of these metal aims to acquaint themselves with catalysts in general, their history and last but not least the possibilities of processing and obtaining noble metals for ...
Jakub Kovalčík   +3 more
openaire   +1 more source

The application of membrane technology for reuse of process water and minimisation of waste water in a textile washing range [PDF]

open access: yes, 1997
Recycling of process streams and reduction of waste disposal using membrane technology in a continuous textile washing process after dyeing with reactive dyes have been investigated theoretically. A mathematical process model of a conventional open-width
Hul, J.P. van 't, Reith, T., Rácz, I.G.
core   +3 more sources

Realization of the Zone Length Measurement during Zone Refining Process via Implementation of an Infrared Camera

open access: yesApplied Sciences, 2018
Zone refining, as the currently most common industrial process to attain ultrapure metals, is influenced by a variety of factors. One of these parameters, the so-called “zone length”, affects not only the ultimate concentration distribution ...
Danilo C. Curtolo   +4 more
doaj   +1 more source

Recovery of Rare Earth Elements through Spent NdFeB Magnet Oxidation (First Part)

open access: yesMetals, 2022
Due to their remarkable magnetic properties, such as a high maximum energy product, high remanence, and high coercivity, NdFeB magnets are used in a variety of technological applications.
Srecko Stopic   +6 more
doaj   +1 more source

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